O'mahoney rhymes with:
o'mahony, omahoney, omahony, mahoney, o'mahony, omahoney, omahony, mahoney, o'mahony, omahoney, omahony
O'mahoney sounds like:
o'hanian, o'mahony, oana, oanh, oehme, oehmen, oeien, ohanian, ohioan, ohm, ohmae, ohman, ohmann, oien, oma, omaha, omahoney, omahony, oman, omani, omen, ommen, omni, omonia, on, ona, onan, onawa, one, one-way, oney, onion, onnen, onni, onno, ono, oona, owen, own, oyama, oyen